[ARC5] SKN -- Post Mortem

[Tim]

Hi Dennis - Well with the little chirp your ARC-5 had it was easy to pull
you out of the QRM.   No doubt it was you amongst the others...It was
probably good for an equivalent 10 db in signal strength!
Tim  N6CC


On Wed, Jan 1, 2014 at 6:51 PM, Dennis Monticelli <
dennis.monticelli at gmail.com> wrote:

> Mark,
>
> Only 20W for 165W input?  Those 1625's are really heating up your shack.
>  I'm surprised they don't show plate color.  I'm getting 30W out for 500V
> at 100mA.  60% efficiency is about what you can expect at those plate
> voltages with 807 types.  Something is way out of whack in your final
> network, but I'm sure you'll track it down and fix it.
>
> Tim,
>
> Thanks for coming back to my CQ.  I tuned around and found your rockbound
> signal on 7050 along with about three others :-)   Nothing wrong with your
> sig strength, though.
>
> Dennis AE6C
>
>
>
>
> On Wed, Jan 1, 2014 at 4:23 PM, Mark K3MSB <mark.k3msb at gmail.com> wrote:
>
>> Well I made 5 more QSOs late this afternoon on 40M, but wasn't able to
>> contact any of the denizens in this thread (which I renamed.....)
>>
>> Overall I was pleased with the performance of the SCR-274N.  The issues I
>> saw were
>> 1) Slight drift on 40M.   Not bad at all once the radio warms up.
>>
>> 2) I'm only getting 20W or so of output on 80M with 550V Ep and 300 mA Ip.
>> I'm using a 200 pF series capacitor and that may be to much.  I want to
>> build the "tuner" circuit in ER (the one with the 200 pF series cap into a
>> parallel LC tapped network.   My output on 40M with a different series cap
>> is 40W with 550 and 300.
>>
>> 3) I notice that my antenna coupling control is always at max for max
>> power
>> regardless of the inductor setting;  I'm not sure what to make of that.
>>
>> 4) Selectivity.  Thanks for the comments about getting an audio filter.  I
>> will check into that.
>>
>> As I said, I had a great time in the SKN.
>>
>> Plans, Lord willing, for 2014:
>>
>> Address the above SCR-274N concerns
>> Get the BC-456 modulator in the system
>> Beat the bushes for the trays/racks I need for the 274N.
>> Start restoration on my BC652.BC653 Tank Radios
>>
>> Happy New Year to y'all.
>>
>> 73 Mark K3MSB
>>
>> On Wed, Jan 1, 2014 at 5:49 PM, Tim <timsamm at gmail.com> wrote:
>>
>> > Hi Ken - good signals!  Seems to still be a lot of SKN activity out
>> here at
>> > 2230Z but the band is still fairly short - you are the longest range QSO
>> > for me today....
>> >
>> > QSL "in the mail" !
>> > 73 & HNY
>> > Tim
>> > N6CC
>> >
>> >
>> > On Wed, Jan 1, 2014 at 1:18 PM, Kenneth G. Gordon
>> > <kgordon2006 at frontier.com>wrote:
>> >
>> > > On 1 Jan 2014 at 12:56, Tim wrote:
>> > >
>> > > > Hi Ken - I am QRV on 7050 Kc if you need yet another Kalifornia
>> > > > contact! GRC-109 73, Tim N6CC
>> > >
>> > > I would like to work your 109 anytime, Tim.
>> > >
>> > > We just got finished with our Holyday prayers, and I'll run right
>> down to
>> > > the
>> > > shack.
>> > >
>> > > Kenneth G. Gordon W7EKB
>> > >
>> > > "Courage is being scared to death but saddling up anyway."--- John
>> > > Wayne
>> > >
>> > >
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